package com.example.demo.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import redis.clients.jedis.HostAndPort;
import redis.clients.jedis.JedisCluster;
import redis.clients.jedis.JedisPoolConfig;

import java.net.UnknownHostException;
import java.util.HashSet;
import java.util.Set;


@Configuration
@ConditionalOnClass({JedisCluster.class})
public class RedisClusterConfig {
    @Value("${spring.redis.cluster.nodes}")
    private String clusterNodes;
//    @Value("${spring.redis.timeout}")
//    private int timeout;
//    @Value("${spring.redis.jedis.pool.max-idle}")
//    private int maxIdle;
//    @Value("${spring.redis.jedis.pool.max-wait}")
//    private long maxWaitMillis;
//    @Value("${spring.redis.commandTimeout}")
//    private int commandTimeout;
    @Bean
    public JedisCluster getJedisCluster() {
        String[] cNodes = clusterNodes.split(",");
        Set<HostAndPort> nodes =new HashSet<>();
        //分割出集群节点
        for(String node : cNodes) {
            String[] hp = node.split(":");
            nodes.add(new HostAndPort(hp[0],Integer.parseInt(hp[1])));
        }
        JedisPoolConfig jedisPoolConfig =new JedisPoolConfig();
//        jedisPoolConfig.setMaxIdle(maxIdle);
//        jedisPoolConfig.setMaxWaitMillis(maxWaitMillis);
        //创建集群对象
        return new JedisCluster(nodes,jedisPoolConfig);
    }

    /**
     * 设置数据存入redis 的序列化方式
     *</br>redisTemplate序列化默认使用的jdkSerializeable,存储二进制字节码,导致key会出现乱码，所以自定义
     *序列化类
     *
     * @paramredisConnectionFactory
     */
    @Bean
    public RedisTemplate<Object,Object> redisTemplate(RedisConnectionFactory redisConnectionFactory)throws UnknownHostException {
        RedisTemplate<Object,Object> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(redisConnectionFactory);
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer =new Jackson2JsonRedisSerializer(Object.class);
        ObjectMapper objectMapper =new ObjectMapper();
        objectMapper.setVisibility(PropertyAccessor.ALL,JsonAutoDetect.Visibility.ANY);
        objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(objectMapper);

        redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
        redisTemplate.setKeySerializer(new StringRedisSerializer());

        redisTemplate.afterPropertiesSet();

        return redisTemplate;
    }

}
